Our flame-resistant long-sleeve Henley is comfortable throughout your work day. Made of 6.5-ounce FR knit, a blend of 55% modacrylic and 45% cotton, it featuers a rib-knit collar and cuffs, three-button front closure with FR melamine buttons, side-seamed construction to minimize twisting and Carhartt FR and HRC 2 labels sewn on the left chest pocket.